RFR: 8277617: Adjust AVX3Threshold for copy/fill stubs [v6]

[Sandhya Viswanathan]

On Fri, 3 Dec 2021 03:38:32 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Sandhya Viswanathan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix whitespace
>
> Please check the GHA test results before integrating - there is a failing compiler test.

@dholmes-ora I looked at the results. The failure in compiler/c2/irTests/TestUnsignedComparison.java for x86_32 is unrelated to this patch ( https://bugs.openjdk.java.net/browse/JDK-8277324) and was fixed recently. A merge with master should fix that.

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PR: https://git.openjdk.java.net/jdk/pull/6512